target_sources(${PROJECT_NAME} PRIVATE
        ${CMAKE_CURRENT_SOURCE_DIR}/area.cc
        ${CMAKE_CURRENT_SOURCE_DIR}/bow_tree.cc
        ${CMAKE_CURRENT_SOURCE_DIR}/fuse.cc
        ${CMAKE_CURRENT_SOURCE_DIR}/projection.cc
        ${CMAKE_CURRENT_SOURCE_DIR}/robust.cc
        ${CMAKE_CURRENT_SOURCE_DIR}/stereo.cc)
